Port Types

Keyboards and mice interface with the computer proper through one of several different port types. Each type of port has unique characteristics, although some of them are closely related to one another. With the exception of USB ports, mice and keyboards use different types of ports.

Figure 15.1 shows the port block on the back of a modern ATX motherboard. This block contains all the different types of keyboard and mouse ports, plus a few extra ports that are used for other purposes, such as the parallel port. Older computers place their ports in a variety of locations, and some of these ports don't look like the ones in Figure 15.1.

Chapter 15

Figure 15.1

Most modern computers place their keyboard and mouse ports in the same block of external connectors.

Figure 15.1

Most modern computers place their keyboard and mouse ports in the same block of external connectors.

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